AndroidManifest.xml android:process元素说明

本文深入解析AndroidManifest.xml中的android:process属性,解释其如何影响应用程序进程的创建,以及如何通过设置该属性实现应用程序与其他应用程序共享进程的目的。
 

Android的AndroidManifest.xml android:process元素说明

分类: android之权限   15973人阅读  评论(2)  收藏  举报

android:process可以针对一个组件(activity,broadcast等)。

<application android:process="com.android.phone">

应用程序的所有组件运行在该进程中。每个组件可以通过设置它自己的process属性来覆盖该设置。
默认情况下,Android为每个应用程序创建一个单独的进程,所有组件运行在该进程中,这个默认进程的名字通常与该应用程序的包名相同。
比如<manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="com.lt.mytest" >
那么该程序默认的进程名为com.lt.mytest
设置该属性可以使得本应用程序与其它应用程序共享相同的进程,仅仅当这两个应用程序也共享一个拥有相同签名的UserId。
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    android:sharedUserId="android.uid.phone" >
与其它应用程序共享的一个Linux User Id的名字。
默认情况下,Android为每个应用程序分配一个唯一的User Id。然而,如果有多个应用程序都将该属性设置为一个相同的值,那么它们将共享相同的Id。如果这些应用程序再被设置成运行在一个相同的进程,它们便可以彼此访问对方的数据。
D:\AwesomeProject>npm run android > AwesomeProject@0.0.1 android > react-native run-android info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag. Jetifier found 1696 file(s) to forward-jetify. Using 12 workers... info JS server already running. info Installing the app... > Configure project :react-native-reanimated AAR for react-native-reanimated has been found D:\AwesomeProject\node_modules\react-native-reanimated\android\react-native-reanimated-68-jsc.aar > Task :jcore-react-native:processDebugManifest FAILED package="cn.jiguang.plugins.core" found in source AndroidManifest.xml: D:\AwesomeProject\node_modules\jcore-react-native\android\src\main\AndroidManifest.xml. Setting the namespace via a source AndroidManifest.xml's package attribute is deprecated. Please instead set the namespace (or testNamespace) in the module's build.gradle file, as described here: https://developer.android.com/studio/build/configure-app-module#set-namespace This migration can be done automatically using the AGP Upgrade Assistant, please refer to https://developer.android.com/studio/build/agp-upgrade-assistant for more information. See http://g.co/androidstudio/manifest-merger for more information about the manifest merger. > Task :react-native-background-timer:processDebugManifest package="com.ocetnik.timer" found in source AndroidManifest.xml: D:\AwesomeProject\node_modules\react-native-background-timer\android\src\main\AndroidManifest.xml. Setting the namespace via a source AndroidManifest.xml's package attribute is deprecated. Please instead set the namespace (or testNamespace) in the module's build.gradle file, as described here: https://developer.android.com/studio/build/configure-app-module#set-namespace This migration can be done automatically using the AGP Upgrade Assistant, please refer to https://developer.android.com/studio/build/agp-upgrade-assistant for more information. > Task :react-native-community_cameraroll:processDebugManifest package="com.reactnativecommunity.cameraroll" found in source AndroidManifest.xml: D:\AwesomeProject\node_modules\@react-native-community\cameraroll\android\src\main\AndroidManifest.xml. Setting the namespace via a source AndroidManifest.xml's package attribute is deprecated. Please instead set the namespace (or testNamespace) in the module's build.gradle file, as described here: https://developer.android.com/studio/build/configure-app-module#set-namespace This migration can be done automatically using the AGP Upgrade Assistant, please refer to https://developer.android.com/studio/build/agp-upgrade-assistant for more information. > Task :react-native-async-storage_async-storage:processDebugManifest package="com.reactnativecommunity.asyncstorage" found in source AndroidManifest.xml: D:\AwesomeProject\node_modules\@react-native-async-storage\async-storage\android\src\main\AndroidManifest.xml. Setting the namespace via a source AndroidManifest.xml's package attribute is deprecated. Please instead set the namespace (or testNamespace) in the module's build.gradle file, as described here: https://developer.android.com/studio/build/configure-app-module#set-namespace This migration can be done automatically using the AGP Upgrade Assistant, please refer to https://developer.android.com/studio/build/agp-upgrade-assistant for more information. > Task :jpush-react-native:processDebugManifest package="cn.jiguang.plugins.push" found in source AndroidManifest.xml: D:\AwesomeProject\node_modules\jpush-react-native\android\src\main\AndroidManifest.xml. Setting the namespace via a source AndroidManifest.xml's package attribute is deprecated. Please instead set the namespace (or testNamespace) in the module's build.gradle file, as described here: https://developer.android.com/studio/build/configure-app-module#set-namespace This migration can be done automatically using the AGP Upgrade Assistant, please refer to https://developer.android.com/studio/build/agp-upgrade-assistant for more information. > Task :react-native-camera:processGeneralDebugManifest package="org.reactnative.camera" found in source AndroidManifest.xml: D:\AwesomeProject\node_modules\react-native-camera\android\src\main\AndroidManifest.xml. Setting the namespace via a source AndroidManifest.xml's package attribute is deprecated. Please instead set the namespace (or testNamespace) in the module's build.gradle file, as described here: https://developer.android.com/studio/build/configure-app-module#set-namespace This migration can be done automatically using the AGP Upgrade Assistant, please refer to https://developer.android.com/studio/build/agp-upgrade-assistant for more information. Deprecated Gradle features were used in this build, making it incompatible with Gradle 8.0. You can use '--warning-mode all' to show the individual deprecation warnings and determine if they come from your own scripts or plugins. See https://docs.gradle.org/7.6/userguide/command_line_interface.html#sec:command_line_warnings 181 actionable tasks: 175 executed, 6 up-to-date Warning: This version only understands SDK XML versions up to 3 but an SDK XML file of version 4 was encountered. This can happen if you use versions of Android Studio and the command-line tools that were released at different times. D:\AwesomeProject\node_modules\jcore-react-native\android\src\main\AndroidManifest.xml:41:9-45:19 Error: android:exported needs to be explicitly specified for element <service#cn.jiguang.plugins.service.JCoreModuleService>. Apps targeting Android 12 and higher are required to specify an explicit value for `android:exported` when the corresponding component has an intent filter defined. See https://developer.android.com/guide/topics/manifest/activity-element#exported for details. FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':jcore-react-native:processDebugManifest'. > A failure occurred while executing com.android.build.gradle.tasks.ProcessLibraryManifest$ProcessLibWorkAction > Manifest merger failed with multiple errors, see logs * Try: > Run with --stacktrace option to get the stack trace. > Run with --info or --debug option to get more log output. > Run with --scan to get full insights. * Get more help at https://help.gradle.org BUILD FAILED in 2m 18s error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup. Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081 Warning: This version only understands SDK XML versions up to 3 but an SDK XML file of version 4 was encountered. This can happen if you use versions of Android Studio and the command-line tools that were released at different times. D:\AwesomeProject\node_modules\jcore-react-native\android\src\main\AndroidManifest.xml:41:9-45:19 Error: android:exported needs to be explicitly specified for element <service#cn.jiguang.plugins.service.JCoreModuleService>. Apps targeting Android 12 and higher are required to specify an explicit value for `android:exported` when the corresponding component has an intent filter defined. See https://developer.android.com/guide/topics/manifest/activity-element#exported for details. FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':jcore-react-native:processDebugManifest'. > A failure occurred while executing com.android.build.gradle.tasks.ProcessLibraryManifest$ProcessLibWorkAction > Manifest merger failed with multiple errors, see logs * Try: > Run with --stacktrace option to get the stack trace. > Run with --info or --debug option to get more log output. > Run with --scan to get full insights. * Get more help at https://help.gradle.org BUILD FAILED in 2m 18s at makeError (D:\AwesomeProject\node_modules\execa\index.js:174:9) at D:\AwesomeProject\node_modules\execa\index.js:278:16 at process.processTicksAndRejections (node:internal/process/task_queues:95:5) at async runOnAllDevices (D:\AwesomeProject\node_modules\@react-native-community\cli-platform-android\build\commands\runAndroid\runOnAllDevices.js:109:5) at async Command.handleAction (D:\AwesomeProject\node_modules\@react-native-community\cli\build\index.js:192:9) info Run CLI with --verbose flag for more details.
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08-09
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